US4769950A - Weather strip for automobile - Google Patents

Weather strip for automobile Download PDF

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Publication number
US4769950A
US4769950A US07/038,356 US3835687A US4769950A US 4769950 A US4769950 A US 4769950A US 3835687 A US3835687 A US 3835687A US 4769950 A US4769950 A US 4769950A
Authority
US
United States
Prior art keywords
weather strip
bottom wall
side walls
opening
flange
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US07/038,356
Other languages
English (en)
Inventor
Kazuo Ogawa
Haruhisa Kawase
Kunio Mishima
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyoda Gosei Co Ltd
Original Assignee
Toyoda Gosei Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP1986177224U external-priority patent/JPH0423077Y2/ja
Priority claimed from JP62016473A external-priority patent/JPS6346944A/ja
Application filed by Toyoda Gosei Co Ltd filed Critical Toyoda Gosei Co Ltd
Assigned to TOYODA GOSEI CO., LTD. reassignment TOYODA GOSEI CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: KAWASE, HARUHISA, MISHIMA, KUNIO, OGAWA, KAZUO
Application granted granted Critical
Publication of US4769950A publication Critical patent/US4769950A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J10/00—Sealing arrangements
    • B60J10/20—Sealing arrangements characterised by the shape
    • B60J10/21—Sealing arrangements characterised by the shape having corner parts or bends
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/2419—Fold at edge
    • Y10T428/24198—Channel-shaped edge component [e.g., binding, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2902—Channel shape

Definitions

  • the present invention relates to a weather strip to be installed around a door opening and a window opening of an automobile body
  • FIG. 7 illustrates a conventional weather strip which has been installed around a quarter window 1(FIG. 1).
  • the weather strip is provided with a trim portion 2 having a U-shaped cross section, and a hollow seal portion 3 projecting from an outer surface of one side wall 2a of the trim portion 2 and coming in contact with a quarter window glass 8.
  • a core member 5 composed of a large number of longitudinallY disconnected core pieces is embedded within the trim portion 2.
  • a seal lip 4 is formed in a tip end of the side wall 2a.
  • This weather strip is mounted on a flange 7 formed around the quarter window 1 through retaining lips 6 projecting toward the inside of the trim portion 2.
  • a bottom wall 2c of the trim portion 2 of the weather strip is made inclined so as to make an acute angle with the side wall 2a positioned on the side of the hollow seal portion 3 for attaining the above described object.
  • the inner surface 22 of the bottom wall 2c which is inclined as described above, is formed perpendicular to the side walls 2a and 2b, and a groove 21 is formed at the corner of the bottom wall 2c and the side wall 2a positioned on the side of the hollow seal portion 3 as shown in FIG. 3.
  • the flange 7 When the weather strip is mounted on a flange 7(FIG. 3), the flange 7 is often excessively pressed inwardly until strongly coming in contact with the inner surface of the bottom wall 2c. At this time, in the case of the weather strip shown in FIG. 2, a tip end of the flange slides on the inner surface of the inclined bottom wall 2c, and moves in the direction of the side wall 2a. This results in the weather strip being often mounted with the side walls inclined with respect to the flange 7.
  • the groove 21 is formed for facilitating the production of weather strips.
  • the weather strip is produced by extruding a material into a flat band like shape and bending into a letter U shape to form the trim portion 2.
  • the groove 21 is formed so that the thickness of the above described corner portion becomes equal to that of the side walls 2a and 2b.
  • a thick walled portion 40 is formed at a tip end of the side wall 2b positioned on the side opposite to the seal portion 3 as shown in FIGS. 5 and 6. BV forming the thick walled portion 40, the undesirable twist and lean of the trim portion 21 can be prevented.
  • the side walls thereof are not inclined with respect to the flange if the weather strip is curved along a corner portion on which the weather strip is to be installed, and good sealing property is maintained over the whole length of the weather strip as well as good external appearance.
  • FIG. 1 is a side view of an automobile
  • FIG. 2 is a sectional view of a first embodiment of a weather strip according to the present invention.
  • FIG. 3 is a sectional view of a second embodiment of the weather strip according to the present invention, which is installed in the automobile;
  • FIG. 4 is a sectional view of a third embodiment of the weather strip according to the present invention, which is Installed in the automobile;
  • FIG. 5 is a sectional view of a fourth embodiment of the weather strip according to the present invention, which is installed in the automobile;
  • FIG. 6 is a sectional view of a fifth embodiment of the weather strip according to the present invention, which is installed in the automobile;
  • FIG. 7 is a sectional view of a conventional weather strip taken along the line of A--A of FIG. 1;
  • FIG. 8 is a sectional view of a conventional weather strip taken along the line of B--B of FIG. 1;
  • FIG. 9 is a view illustrating the twisting condition of the conventional weather strip which is horizontally curved
  • FIG. 10 is a plan view of a measuring instrument used in experiments.
  • FIG. 11 is a view illustrating the condition that the weather strip is installed on the measuring instrument
  • FIG. 12 is a sectional view taken along the line of XII--XII of FIG. 11;
  • FIG. 13 is a view showing experimental results.
  • a trim portion 2 of a weather strip is made of solid rubber and is composed of parallel side walls 2a and 2b, and a bottom wall 2c into a letter U-shaped cross seotion.
  • a core member 5 composed of a large number of longitudinally disconnected core pieces, is embedded within the trim portion 2.
  • the trim portion 2 is formed to have a uniform thickness.
  • Flange retaining lips 6 project from the inner surface of each of the side walls 2a and 2b.
  • the bottom wall 2c is inclined in such a direction as to make an acute angle with the side wall 2a.
  • a seal lip 4 made of sponge rubber is formed at a tip end of the side wall 2a and a hollow seal portion 3 made of sponge rubber is formed on the outer surface of the side wall 2a.
  • This weather strip is produced by extruding a material to form a flat band shaped trim portion 2 in which the core member 5 is embedded, and a hollow seal portion 3 projecting from one end portion of one flat surface of the flat band-shaped trim portion 2, and bending flat band-shaped trim portion 2 so as to have a letter-U shaped section as shown in FIG. 2.
  • This weather strip is mounted on the flange 7 formed around an opening of a window of an automobile so that the hollow seal portion 3 is positioned on the outside of the automobile.
  • the reference characters a through g denote measured points.
  • the size of the weather strip according to the present invention, on which experiments are made is as follows:
  • the bottom wall 2c makes a right angle with both the side walls 2a and 2b, and the size thereof is as follws:
  • FIG. 13 shows the experimental results.
  • Marks ⁇ denotes those of the weather strip according to the present invention and marks ⁇ denote those of the conventional weather strip.
  • the trim portion twists and leans to the inside of the corner portion so that the distance S becomes large.
  • the trim portion can be prevented from twisting and leaning even when being curved along the corner portion and mounted thereon, and at this time, good sealing properties can be maintained together with good external appearance.
  • FIG. 3 illustrate a second embodiment of the weather strip according to the present invention.
  • the bottom wall 2c is inclined similar to the first embodiment.
  • the thickness of the bottom wall 2c is increased from the side of the side wall 2b toward the side of the side wall 2a and the inner surface 22 of the bottom wall 2c makes a right angle to each of the side walls 2a and 2b.
  • a groove 21 is formed at one end of the inner surface 22 of the bottom wall 2c on the side of the side wall 2a. This results in the thickness of the corners formed in both ends of the bottom wall 2c becoming equal to each other.
  • the other structure of the weather strip of the second embodiment is equal to that of the first embodiment shown in FIG. 2.
  • the groove 21 is provided at one corner of the trim portion 2 to decrease the thickness thereof. This groove 21 facilitates the bending work for forming the corner thereof.
  • FIG. 4 illustrates a third embodiment of the weather strip according to the present invention.
  • the opening of the groove 21 is made narrower than the thickness of the flange 7.
  • the other structure of the third embodiment is equal to that of the second embodiment.
  • the flange 7 When the weather strip is mounted on the flange 7, the flange 7 is sometimes pressed into the trim portion 2 in a direction inclined with respect to the side walls 2a and 2b. In such a case, the tip end o ⁇ the flange often fits into the groove 21 and accordingly, the mounting condition of the weather strip relative to the flange 7 cannot be corrected.
  • FIG. 5 illustrates a fourth embodiment of the weather strip according to the present invention.
  • the trim portion 2 of the weather strip is made of solid rubber and is composed of parallel side walls 2a and 2b and a bottom wall 2c so as to have a letter U-shaped section. And a oore member 5 is embedded in the trim portion 2.
  • Flange retaining lips 6 project from the inner surfaces of each of the side walls 2a and 2b.
  • a seal lip 4 made of sponge rubber is formed at a tip end of the side wall 2a and a hollow seal portion 3 made of sponge rubber is formed on the outer surface of the side wall 2a.
  • a tip end of the side wall 2b positioned on the side opposite to the seal portion 3 has a thick walled portion 40 which outwardly expands to the thickness of about two times as large as that of the other portion of the side wall 2b.
  • FIG. 6 illustrates a fifth embodiment of the weather strip according to the present invention.
  • the thick walled portion 40 is made of sponge rubber.
  • the other structure of the fifth embodiment is equal to that of the fourth embodiment.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Seal Device For Vehicle (AREA)
US07/038,356 1986-04-15 1987-04-14 Weather strip for automobile Expired - Lifetime US4769950A (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP8639486 1986-04-15
JP61-86394 1986-04-15
JP1986177224U JPH0423077Y2 (de) 1986-11-18 1986-11-18
JP61-177224 1986-11-18
JP62-16473 1987-01-27
JP62016473A JPS6346944A (ja) 1986-04-15 1987-01-27 自動車用ウエザストリツプ

Publications (1)

Publication Number Publication Date
US4769950A true US4769950A (en) 1988-09-13

Family

ID=33436969

Family Applications (1)

Application Number Title Priority Date Filing Date
US07/038,356 Expired - Lifetime US4769950A (en) 1986-04-15 1987-04-14 Weather strip for automobile

Country Status (3)

Country Link
US (1) US4769950A (de)
CA (1) CA1285307C (de)
DE (1) DE3711614C2 (de)

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4915485A (en) * 1988-07-04 1990-04-10 Kabushiki Kaisha Tokai Denki Seisahusho Door mirror assembly
FR2648520A1 (fr) * 1989-06-20 1990-12-21 Hutchinson Dispositif de fixation d'un element profile sur le bord d'encadrement d'une baie
AU612526B2 (en) * 1988-12-28 1991-07-11 Toyoda Gosei Co. Ltd. Weather strip for use in automobile
US5038522A (en) * 1989-08-02 1991-08-13 Toyoda Gosei Co., Ltd. Weather strip
EP0442229A1 (de) * 1990-02-16 1991-08-21 HUTCHINSON S.A. une SociÀ©té Anonyme dotée d'un Conseil de Surveillance et d'un Directoire Schlauchdichtung für den Rand einer Fahrzeugöffnung
US5085006A (en) * 1989-04-24 1992-02-04 Toyoda Gosei Co., Ltd. Weather strip for motor vehicle
EP0480747A1 (de) * 1990-10-12 1992-04-15 British Aerospace Public Limited Company Dichtungsprofil
US5106149A (en) * 1989-12-26 1992-04-21 Ford Motor Company Weatherstrip for hardtop-type or framed door windows
US5135239A (en) * 1988-10-27 1992-08-04 Sanshin Kogyo Kabushiki Kaisha Seal member for outboard cowling
US5258157A (en) * 1990-04-12 1993-11-02 Toyoda Gosei Co., Ltd. Method for joining extruded weather strips and resulting weather strip for motor vehicle
US5282338A (en) * 1990-10-12 1994-02-01 British Aerospace Public Limited Company Sealing structure
US5305553A (en) * 1989-12-28 1994-04-26 Nissan Motor Company, Limited Weatherstrip structure for automotive vehicle
US5352009A (en) * 1992-03-30 1994-10-04 Nishikawa Rubber Co., Ltd. Door seal device
US5388371A (en) * 1992-07-16 1995-02-14 Toyoda Gosei Co., Ltd. Door glass weatherstrip for an automobile
US6158171A (en) * 1998-05-28 2000-12-12 Overhead Door Corporation Swing door seal and retainer assembly having a seal with interior webs
US6748702B2 (en) 2002-06-11 2004-06-15 Hyundai Motor Company Outside weather strip of a vehicle
US20060005471A1 (en) * 2004-06-25 2006-01-12 Toyoda Gosei Co., Ltd Weather strip
US20080148646A1 (en) * 2006-11-28 2008-06-26 Toyota Gosei Co., Ltd. Weather strip for motor vehicle
US20090266000A1 (en) * 2008-04-24 2009-10-29 Toyoda Gosei Co., Ltd. Weather strip for motor vehicle
US20100192470A1 (en) * 2009-02-03 2010-08-05 Tokai Kogyo Co., Ltd. Weather strip, and attachment structure of weather strip
FR2955056A1 (fr) * 2010-01-12 2011-07-15 Sealynx Automotive Transieres Joint d'etancheite pour ouvrant de vehicule automobile
US8667740B1 (en) * 2013-03-18 2014-03-11 Nishikawa Rubber Co., Ltd. Weather strip
US20170001502A1 (en) * 2015-07-03 2017-01-05 Nishikawa Rubber Co., Ltd. Weather strip for automobiles

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4046940A (en) * 1975-12-15 1977-09-06 General Motors Corporation Weatherstrip structure
US4432166A (en) * 1980-11-29 1984-02-21 Draftex Development Ag Trimming or sealing strips
US4513044A (en) * 1982-12-30 1985-04-23 Toyoda Gosei Co., Ltd. Colored weather strip
US4531326A (en) * 1983-01-06 1985-07-30 S.A.I.A.G. S.P.A. Extruded weather strip for motor vehicle bodies and an extrusion head for forming the weather strip

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1542283A (en) * 1975-12-19 1979-03-14 Draftex Dev Ag Channel-shaped sealing strips
GB1550666A (en) * 1976-11-06 1979-08-15 Draftex Dev Ag Channel-shaped sealing and finishing strips
DE7803702U1 (de) * 1977-06-02 1978-09-07 Silent Channel Products Ltd., Huntingdon, Cambridgeshire (Grossbritannien) Spritz- oder Preßkörper
FR2521497A1 (fr) * 1982-02-15 1983-08-19 Mesnel Sa Ets Nouvelles structures d'encadrement, de coulissement et d'etancheite, notamment pour des glaces mobiles et particulierement, pour des portes d'automobiles
GB2145142B (en) * 1983-08-18 1987-01-07 Draftex Ind Ltd Window seals

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4046940A (en) * 1975-12-15 1977-09-06 General Motors Corporation Weatherstrip structure
US4432166A (en) * 1980-11-29 1984-02-21 Draftex Development Ag Trimming or sealing strips
US4513044A (en) * 1982-12-30 1985-04-23 Toyoda Gosei Co., Ltd. Colored weather strip
US4531326A (en) * 1983-01-06 1985-07-30 S.A.I.A.G. S.P.A. Extruded weather strip for motor vehicle bodies and an extrusion head for forming the weather strip

Cited By (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4915485A (en) * 1988-07-04 1990-04-10 Kabushiki Kaisha Tokai Denki Seisahusho Door mirror assembly
US5135239A (en) * 1988-10-27 1992-08-04 Sanshin Kogyo Kabushiki Kaisha Seal member for outboard cowling
AU612526B2 (en) * 1988-12-28 1991-07-11 Toyoda Gosei Co. Ltd. Weather strip for use in automobile
US5072546A (en) * 1988-12-28 1991-12-17 Toyoda Gosei Co., Ltd. Weather strip for use in automobile
US5085006A (en) * 1989-04-24 1992-02-04 Toyoda Gosei Co., Ltd. Weather strip for motor vehicle
FR2648520A1 (fr) * 1989-06-20 1990-12-21 Hutchinson Dispositif de fixation d'un element profile sur le bord d'encadrement d'une baie
EP0404633A1 (de) * 1989-06-20 1990-12-27 Hutchinson Vorrichtung zur Befestigung eines Profilelementes an der Einfassungskante einer Fensteröffnung
US5038522A (en) * 1989-08-02 1991-08-13 Toyoda Gosei Co., Ltd. Weather strip
AU623572B2 (en) * 1989-08-02 1992-05-14 Toyoda Gosei Co. Ltd. Weather strip
US5106149A (en) * 1989-12-26 1992-04-21 Ford Motor Company Weatherstrip for hardtop-type or framed door windows
US5305553A (en) * 1989-12-28 1994-04-26 Nissan Motor Company, Limited Weatherstrip structure for automotive vehicle
FR2658452A1 (fr) * 1990-02-16 1991-08-23 Hutchinson Sa Joint d'etancheite tubulaire, en particulier pour peripherie d'ouverture d'un vehicule.
EP0442229A1 (de) * 1990-02-16 1991-08-21 HUTCHINSON S.A. une SociÀ©té Anonyme dotée d'un Conseil de Surveillance et d'un Directoire Schlauchdichtung für den Rand einer Fahrzeugöffnung
US5258157A (en) * 1990-04-12 1993-11-02 Toyoda Gosei Co., Ltd. Method for joining extruded weather strips and resulting weather strip for motor vehicle
US5282338A (en) * 1990-10-12 1994-02-01 British Aerospace Public Limited Company Sealing structure
EP0480747A1 (de) * 1990-10-12 1992-04-15 British Aerospace Public Limited Company Dichtungsprofil
US5352009A (en) * 1992-03-30 1994-10-04 Nishikawa Rubber Co., Ltd. Door seal device
US5388371A (en) * 1992-07-16 1995-02-14 Toyoda Gosei Co., Ltd. Door glass weatherstrip for an automobile
US6158171A (en) * 1998-05-28 2000-12-12 Overhead Door Corporation Swing door seal and retainer assembly having a seal with interior webs
US6748702B2 (en) 2002-06-11 2004-06-15 Hyundai Motor Company Outside weather strip of a vehicle
US20060005471A1 (en) * 2004-06-25 2006-01-12 Toyoda Gosei Co., Ltd Weather strip
US7252294B2 (en) 2004-06-25 2007-08-07 Toyoda Gosei Co., Ltd. Weather strip
US7685777B2 (en) * 2006-11-28 2010-03-30 Toyoda Gosei Co., Ltd. Weather strip for motor vehicle
US20080148646A1 (en) * 2006-11-28 2008-06-26 Toyota Gosei Co., Ltd. Weather strip for motor vehicle
US20090266000A1 (en) * 2008-04-24 2009-10-29 Toyoda Gosei Co., Ltd. Weather strip for motor vehicle
US20100192470A1 (en) * 2009-02-03 2010-08-05 Tokai Kogyo Co., Ltd. Weather strip, and attachment structure of weather strip
US8893438B2 (en) * 2009-02-03 2014-11-25 Tokai Kogyo Co., Ltd. Weather strip, and attachment structure of weather strip
FR2955056A1 (fr) * 2010-01-12 2011-07-15 Sealynx Automotive Transieres Joint d'etancheite pour ouvrant de vehicule automobile
US8667740B1 (en) * 2013-03-18 2014-03-11 Nishikawa Rubber Co., Ltd. Weather strip
US20170001502A1 (en) * 2015-07-03 2017-01-05 Nishikawa Rubber Co., Ltd. Weather strip for automobiles
US9738146B2 (en) * 2015-07-03 2017-08-22 Nishikawa Rubber Co., Ltd. Weather strip for automobiles

Also Published As

Publication number Publication date
DE3711614C2 (de) 1994-12-01
CA1285307C (en) 1991-06-25
DE3711614A1 (de) 1987-10-29

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